20

Compact Pre-wired Photomicrosensor with Built-in Amplifier (Non-modulated)

EE-SX91

Features

A Compact Size and Choice of Five Shape for various ApplicationsSelectable any five shape to minimize the space required.

Design available with Compact NPN or PNP Output ModelsBoth NPN and PNP output models are available for use according to system requirements.

Possible to directly switch up to 100 mAOutput control of up to 100 mA is supported for either NPN or PNP outputs.

Models with Connectors for Simplify Wiring and MaintenanceUsing models with connectors allows wiring to be used as it is, with no need to replace anything but sensors.

Flexible Robot Cables are Standard on All ModelsRobot Cables are effective for moving parts, and are provided as standard equipment with all models.

Provided with Both Light-ON and Dark-ON OutputsBoth light-ON and dark-ON outputs are provided on all models, allowing outputs to be switched by simply changing the wiring according to the application.

Indicator Visible from Many Directions for Installation in Any LocationThe light indicator can be checked from up to four directions.

Allows standard M3 or M2 ScrewsThe EE-SX91 can be mounted using M3 or M2 screws, so it can be easily replaced from an existing compact sensor mounted with M2 screws.

Meeting Customer Needs with Compact Sensors that Mount with M3 Screws

Provided with Both light-ON and dark-ON outputs (antivalent outputs).

A compact size and choice of five shape for various applications.

Design available with Compact NPN or PNP output models. Allows standard M3 or M2 screws. Indicator is visible from many directions for installation

in any location. Possible to directly switch up to 100 mA. Models with junction connectors for simplify wiring and maintenance. Flexible robot cables are standard on all models.

EE-SX91

21

Ordering Information

List of ModelsModels with Robot Cables

Accessories (Order Separately)Connector with Robot Cable

Appearance Sensing method

Sensing distance

Output configura-

tion

Indicator mode

Connecting method (Cable length)

Model

NPN output PNP output

Standard

Through-beam type(with slot)

Light-ONDark-ON

(2 outputs)

Lit when light is

incident

Pre-wired models (1 m) EE-SX910-R EE-SX910P-R

Models with junctionconnectors (0.3 m) EE-SX910-C1J-R EE-SX910P-C1J-R

L-shapedPre-wired models (1 m) EE-SX911-R EE-SX911P-R

Models with junctionconnectors (0.3 m) EE-SX911-C1J-R EE-SX911P-C1J-R

F-shapedPre-wired models (1 m) EE-SX912-R EE-SX912P-R

Models with junctionconnectors (0.3 m) EE-SX912-C1J-R EE-SX912P-C1J-R

R-shapedPre-wired models (1 m) EE-SX913-R EE-SX913P-R

Models with junctionconnectors (0.3 m) EE-SX913-C1J-R EE-SX913P-C1J-R

U-shapedPre-wired models (1 m) E-SX914-R EE-SX914P-R

Models with junctionconnectors (0.3 m) EE-SX914-C1J-R EE-SX914P-C1J-R

Type Cable length Model RemarksConnector with Cable 2 m EE-1016-R Connector with lock, AWG26, 4-core Robot Cable

Infrared light

5 mm (slot width)

EE-SX91

22

Ratings and Specifications

Applicable Connector* The response frequency was measured by detecting the following rotating

disk. The response times for light incidence and light interruption are shown in the timing chart.

Item

Type Standard L-shaped F-shaped R-shaped U-shaped

NPN mod-els

Pre-wired models EE-SX910-R EE-SX911-R EE-SX912-R EE-SX913-R EE-SX914-R

Models with con-nectors EE-SX910-C1J-R EE-SX911-C1J-R EE-SX912-C1J-R EE-SX913-C1J-R EE-SX914-C1J-R

PNP mod-els

Pre-wired models EE-SX910P-R EE-SX911P-R EE-SX912P-R EE-SX913P-R EE-SX914P-R

Models with con-nectors EE-SX910P-C1J-R EE-SX911P-C1J-R EE-SX912P-C1J-R EE-SX913P-C1J-R EE-SX914P-C1J-R

Sensing distance 5 mm (slot width)

Sensing object Opaque: 1.2 × 0.8 mm min.

Differential distance 0.025 mm max.

Light source GaAs infrared LED

Indicator Light indicator (red LED)

Supply voltage 5 to 24 VDC ±10%, ripple (p-p): 10% max.

Current consumption 15 mA max.

Control output

Load power supply voltage: 5 to 24 VDCLoad current: 100 mA max.100 mA load current with a residual voltage of 1.0 V max.5 mA load current with a residual voltage of 0.4 V max.

Protection circuits Power supply reverse polarity protection; output reverse polarity protection

Response frequency 3 kHz min. (8 kHz average) Light incident: 15 µs average; light interrupted: 40 µs average*

Ambient illumination 1,000 lx max. with fluorescent light on the surface of the receiver

Ambient temperature range Operating: −25 to 55°CStorage: −30 to 80°C (with no icing or condensation)

Ambient humidity range Operating: 5% to 85% Storage: 5% to 95% (with no icing or condensation)

Vibration resistance (Destruction) 10 to 2,000 Hz0.75-mm single amplitude for 2.5 h (15-min periods, 10 cycles) each in X, Y, and Z directions

Shock resistance (Destruction) 500 m/s2 for 3 times each in X, Y, and Z directions

Connecting method Pre-wired Models (standard cable length: 1 m), Models with Junction Connectors (standard cable length: 0.3 m)

Enclosure rating IEC IP50

Weight(packaged)

Pre-wired Models Approx. 17 g

Models with Con-nectors Approx. 7 g

Mate-rials

Housing Polybutylene phthalate (PBT)

Emitter/receiver Polycarbonate (PC)

Product Connector with CableModel EE-1016-R

Item

Appearance

Contact resistance 25m Ω max. (at 10 mA DC and 20 mV max.)

Insertion strength 20 N max.Surplus strength (housing holding strength)

15 N min.

Cable length 2 m

Ambient temperature range -25 to 85°C

Mate-rials

Housing Nylon

Contact Phosphor bronze

1 mm2 mm

2 mm

40 µs avg.15 µs avg.

Disk

ONOFF

ONOFF

OUT1 outputtransistor

OUT2 outputtransistor

Light incidentLight interrupted

EE-SX91

23

Engineering Data (Typical)

I/O Circuit Diagrams

Sensing Position CharacteristicsEE-SX910 EE-SX910 EE-SX911

Repeated Sensing Position CharacteristicsEE-SX910

Output type Model Output transistor

operation status Timing charts Output circuit

NPN output

EE-SX910-REE-SX910-C1J-REE-SX911-REE-SX911-C1J-REE-SX912-REE-SX912-C1J-REE-SX913-REE-SX913-C1J-REE-SX914-REE-SX914-C1J-R

OUT1: Light-ONOUT2: Dark-ON

PNP output

EE-SX910P-REE-SX910P-C1J-REE-SX911P-REE-SX911P-C1J-REE-SX912P-REE-SX912P-C1J-REE-SX913P-REE-SX913P-C1J-REE-SX914P-REE-SX914P-C1J-R

0 1 2 3 4 5 6

Dark-ON

Light-ON

Distance d (mm)

Insertion direction

d

0 1 2 3 4 5 6

d

Dark-ON

Light-ON

Insertion direction

Distance d (mm)

0 1 2 3 4 5 6

Dark-ON

Light-ON

Insertion direction

Distance d (mm)

d

3.14 3.16 3.18 3.2

d

Dark-ON

Light-ON

Vcc = 24 V, No. of repetitions: 20, Ta = 25°C (Differential distance = 0.025 mm max.)

Distance d (mm)

d=±0.002

Light incidentLight interrupted

(Blue)

OUT2(White)

OUT1(Black)

Load 1

Load 2Maincircuit

1

4

2

3

1

2

3

4

Lightindicator

Brown

5 to 24 VDC

ON

OFF

Light indicator (red)

ON

OFFOutput 1 transistor

Operates

Releases

Load 1

(relay) (Brown)

Load 2

Load 1

1

2

3

4

1

4

2

3

Maincircuit

Lightindicator

5 to 24 VDC

(Blue)

OUT2(White)

OUT1(Black)

ON

OFF

Output 2 transistor

Operates

Releases

Load 2

(relay)

EE-SX91

24

Safety Precautions

This product is not designed or rated for ensuring safety of persons either directly or indirectly. Do not use it for such purposes.

• Power Supply VoltageDo not exceed the voltage range indicated in the specifications. Applying a voltage exceeding the specifications or using an AC power supply may result in rupture or burning.

• Faulty WiringDo not reverse the power supply polarity. Doing so may result in rupture or burning.

• Do not short-circuit the load. (Do not connect to the power supply.)Doing so may result in rupture or burning.

• Dispose of this product as industrial waste.

Installation• It is assumed that EE-SX91 Sensors will be built into a device.

These Sensors use non-modulated light and are not equipped to deal with interference from an external light source. When they are used in locations subject to external light interference, such as near a window or under an incandescent light, install them to minimize the effects of external light interference.

• Mount the Sensors securely on a flat surface.• Use M3 or M2.0 screws to secure the Photomicrosensor. (The

stronger M3 screws are recommended. In addition, use flat washers and spring washers to prevent the screws from loosening.) Refer to the following table for the correct tightening torque.

• If the Sensor is to be used on a moving part, secure the cable connection point so that it is not directly subjected to stress.

WiringUnused Output LinesBe sure to isolate output lines that are not going to be used.

Connecting to Devices with Voltage Input SpecificationsA Sensor with an open-collector output can be connected to a counter with a voltage input by connecting a resistor between the power source and output. Select a resistor with reference to the following example. The resistance of the resistor is generally 4.7 kΩ and its wattage is 1/2 W for a supply voltage of 24 V and 1/4 W for 12 V.

Example: EE-SX91 SeriesLoad Resistance of 4.7 kΩ Connected in a CounterCounter Specifications

The high and low levels are found using the following formulas. The input device specifications must satisfy both formulas.

High level:

Low level:

Input voltage VL ≤ 1.0 V (Residual voltage for 100-mA load current)

Note: Refer to the ratings of the Sensor for the residual voltage of the load current.

Other Precautions• Do not disconnect the Connector from the Sensor when power is

supplied to the Sensor, or Sensor damage could result.• Do not install the Sensor in the following places to prevent

malfunction or trouble:1. Places exposed to dust or oil mist2. Places exposed to corrosive gas3. Places directly or indirectly exposed to water, oil, or chemicals4. Outdoor or places exposed to intensive light, such as direct

sunlight• Be sure to use the Sensor under the rated ambient temperature.• The Sensor may be dissolved by exposure to organic solvents,

acids, alkali, or aromatic hydrocarbons, aliphatic chloride hydrocarbons causing deterioration in characteristics. Do not expose the Sensor to such chemicals.

WARNING

Precautions for Safe Use

Precautions for Correct Use

Screw diameter Tightening torqueM2.0 0.15 N·m max. (1.5 kgf·cm)

M3 0.54 N·m max. (5.5 kgf·cm)

Sensor

Brown

Blue

LoadLoadBlack

White

Sensor

Brown

Blue

Black

White

−

+

LoadLoad

+

Sensor

Brown

Blue

+

−

Black

White

Load

d short-circuit)(LoaLoad

ck

(

Input impedance 5.6 KΩ

Voltage judged as high level (input ON) 4.5 to 30 VDC

Voltage judged as low level (input OFF) 0 to 2 VDC

SW main circuit

Tr

+VccEE-SX91 series Counter (Voltage input type)

Insert a resistor

Output

0 V 0 V

R

24 V Power supply

Z

Input terminal (CP)

(Input impedance: approx. 5.6 kΩ)

Input voltage VH = R+Z

ZVcc =

4.7 k+5.6 k5.6 k × 24 V = 13 V

Load current Ic =R

Vcc= = 5.1 mA ≤ 100 mA

R24 V

EE-SX91

25

Dimensions (Unit: mm)

Photomicrosensors

6

24 Optical axis

Optical axis

Sensing window

3

EE-SX910-R

EE-SX910-C1J-R

300

17.4

1.2 0.85.8

Indicator window53.7

13.4

8.32.7

5

4.6 dia.

(2)

2.318.7

Two, 3.2 dia.

6.512 8

Terminal

1

2

3

4

+V

OUTPUT 2

0 V

OUTPUT 1

1 2 3 4

Connector Terminal Arrangement

Robot cable of 2.8 dia., 4 cores, (0.15 mm2 with 0.8-mm dia. insulator); Standard length: 1 m

Specifications

EE-SX910-REE-SX910P-REE-SX910-C1J-REE-SX910P-C1J-R

Connector Terminal Arrangement

1 2 3 4

Optical axis

Optical axis

Indicator window

Sensing window

(2)

10

6.9

3.7

2

3

5

0.8

1.75

1.6 3.2

8

6 1230017.4

6

1.2

13.4

412

6.5

EE-SX911-C1J-R

EE-SX911-R

(Four, R1.6)Robot cable of 2.8 dia., 4 cores,(0.15 mm2 with 0.8-mm dia.insulator);Standard length: 1 m

Terminal

1

2

3

4

+V

OUTPUT 2

0 V

OUTPUT 1

Specifications

EE-SX911-REE-SX911P-REE-SX911-C1J-REE-SX911P-C1J-R

Connector Terminal Arrangement

Sensing window

Optical axis

Optical axis

Indicator window

EE-SX912-C1J-R

EE-SX912-R

1.95 1.6

3.2 2 dia.

4.6 dia.3.7

11.7

6.2

12 8

513.43

5

(2)

4

1.5

6.7

1.2

2.3

0.8

300

17.4

8.36.5(R1.6)

6

Robot cable of 2.8 dia., 4 cores,(0.15 mm2 with 0.8-mm dia.insulator);Standard length: 1 m

1 2 3 4

Terminal

1

2

3

4

+V

OUTPUT 2

0 V

OUTPUT 1

Specifications

EE-SX912-REE-SX912P-REE-SX912-C1J-REE-SX912P-C1J-R

Indicator window

Optical axis

Optical axis

Sensing window

5

13.4

3.7

2 dia.2.34.6 dia.

8 12

1.5(2)

6.74

6

300

11.7

3

5

6.2

3.2

1.6 1.95

1.2

0.8

17.4

EE-SX913-C1J-R

EE-SX913-R

(R1.6)8.3 6.5

1 2 3 4

Robot cable of 2.8 dia., 4 cores,(0.15 mm2 with 0.8-mm dia.insulator);Standard length: 1 m

Connector Terminal Arrangement

Terminal

1

2

3

4

+V

OUTPUT 2

0 V

OUTPUT 1

Specifications

EE-SX913-REE-SX913P-REE-SX913-C1J-REE-SX913P-C1J-R

300

17.4

Two, 3.2 dia.

Indicator windowIndicator window

Sensing window

Optical axis

Optical axis

16

6.5

11.5

13.45

3.7

(2) 1.2

0.8

63

8.3 8.3

8

EE-SX914-R

EE-SX914-C1J-R

1 2 3 4

Connector Terminal Arrangement

Robot cable of 2.8 dia., 4 cores,(0.15 mm2 with 0.8-mm dia. insulator);Standard length: 1 m

Terminal

1

2

3

4

+V

OUTPUT 2

0 V

OUTPUT 1

Specifications

EE-SX914-REE-SX914P-REE-SX914-C1J-REE-SX914P-C1J-R

210

5.8 8 10 7162,000

A

B

C

D

Brown

White

Blue

Black

Terminal Arrangement

+

OUTPUT 2

−OUTPUT 1

12

34

Robot cable of 2.8 dia., 4 cores, (0.15 mm2 with 0.8-mm dia.insulator);Standard length: 2 m

Accessories (Order Separately)Connector with Robot Cable

EE-1016-R

26

•A nonprofit organization established in 1894 by the American association of fire insurance companies. Underwriters Laboratories (abbreviated to UL hereafter) conducts certification testing on all kinds of electrical products. In many U.S. cities and states, UL certification is legally required on all electrical items sold. To obtain UL certification on an electrical product, all major internal components also require UL certification.

•UL offers two types of certification: the Listing Mark and the Recognition Mark. A Listing Mark generally constitutes the certification of a final product. Products display the Listing Marks shown below. The Recognition Mark applies to the components used in a product, and therefore constitutes a more conditional approval of a product. Products display the Recognition Marks shown below. Depending on a component's UL classification, use of the Recognition Mark may not be required.

• UL has integrated its standards with CSA to employ a co-certification system. These standards also adapt the requirements of the IEC standards.

• Since October 1992, UL has been recognized as a CO (council organization) and TO (test organization) by the SCC (Standard Council of Canada). This authorizes UL to conduct safety tests and certify products conforming to Canadian standards.

• The designs of the Listing and Recognition Marks were changed in January 1998 as shown below.

LISTING MARK

RECOGNITION MARK

Sensors with DC Power Supply of 30 V or Less1. When connected to one of the circuits (Class 2) described in (1), (2), and (3)

below, a sensor can be used even if it is not UL certified. Use the following UL-certified products for combining DC power supplies.(1) Limited voltage and current circuits according to UL508

Circuits taking as a power supply the secondary winding of an isolation transformer satisfying the following conditions:• A maximum voltage (with no load) of 30 Vrms (42.4 V peak).• A maximum current (1) of no more than 8 A (including short-circuiting)

or (2) limited by a circuit breaker (such as a fuse).

(2) Class 2 Power Supply Unit according to UL1310(3) Circuits with a maximum voltage of 30 Vrms (42.4 V peak) taking a Class

2 transformer as a power supply according to UL15852. If a sensor with UL-certified DC power supply specifications is required, a

UL Mark can be affixed to the model in the following table under the condition that it be used in a Class 2 circuit.Product Certified for Use in Class 2 Circuits Only (Listing/Recognition Certification)

* Recognition Marks are not displayed for recognition certification of DC sensors. Only Listing Marks are displayed when UL marking is requested.

UL Standards (UNDERWRITERS LABORATORIES INC.)

Marks for US Marks for Canada Marks for US and Canada

Marks for US Marks for Canada Marks for US and Canada

No-load voltage (V peak) Maximum rated current (A)

0 to 20 5.0

From 20 to 30100

Peak voltage

Model File No.Listing

certificationRecognition certification

EE-S Series * E41515 O

LISTING MARK

RECOGNITION MARK

In the interest of product improvement, specifications are subject to change without notice.

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18. Miscellaneous. (a) Waiver. No failure or delay by Omron in exercising any rightand no course of dealing between Buyer and Omron shall operate as a waiverof rights by Omron. (b) Assignment. Buyer may not assign its rights hereunderwithout Omron's written consent. (c) Law. These Terms are governed by thelaw of the jurisdiction of the home office of the Omron company from whichBuyer is purchasing the Products (without regard to conflict of law princi-ples). (d) Amendment. These Terms constitute the entire agreement betweenBuyer and Omron relating to the Products, and no provision may be changedor waived unless in writing signed by the parties. (e) Severability. If any provi-sion hereof is rendered ineffective or invalid, such provision shall not invalidateany other provision. (f) Setoff. Buyer shall have no right to set off any amountsagainst the amount owing in respect of this invoice. (g) Definitions. As usedherein, “including” means “including without limitation”; and “Omron Compa-nies” (or similar words) mean Omron Corporation and any direct or indirectsubsidiary or affiliate thereof.

Certain Precautions on Specifications and Use1. Suitability of Use. Omron Companies shall not be responsible for conformity

with any standards, codes or regulations which apply to the combination of theProduct in the Buyer’s application or use of the Product. At Buyer’s request,Omron will provide applicable third party certification documents identifyingratings and limitations of use which apply to the Product. This information byitself is not sufficient for a complete determination of the suitability of the Prod-uct in combination with the end product, machine, system, or other applicationor use. Buyer shall be solely responsible for determining appropriateness ofthe particular Product with respect to Buyer’s application, product or system.Buyer shall take application responsibility in all cases but the following is anon-exhaustive list of applications for which particular attention must be given:(i) Outdoor use, uses involving potential chemical contamination or electricalinterference, or conditions or uses not described in this document.(ii) Use in consumer products or any use in significant quantities. (iii) Energy control systems, combustion systems, railroad systems, aviationsystems, medical equipment, amusement machines, vehicles, safety equip-ment, and installations subject to separate industry or government regulations. (iv) Systems, machines and equipment that could present a risk to life or prop-erty. Please know and observe all prohibitions of use applicable to this Prod-uct. NEVER USE THE PRODUCT FOR AN APPLICATION INVOLVING SERIOUSRISK TO LIFE OR PROPERTY OR IN LARGE QUANTITIES WITHOUTENSURING THAT THE SYSTEM AS A WHOLE HAS BEEN DESIGNED TO

ADDRESS THE RISKS, AND THAT THE OMRON’S PRODUCT IS PROP-ERLY RATED AND INSTALLED FOR THE INTENDED USE WITHIN THEOVERALL EQUIPMENT OR SYSTEM.

2. Programmable Products. Omron Companies shall not be responsible for theuser’s programming of a programmable Product, or any consequence thereof.

3. Performance Data. Data presented in Omron Company websites, catalogsand other materials is provided as a guide for the user in determining suitabil-ity and does not constitute a warranty. It may represent the result of Omron’stest conditions, and the user must correlate it to actual application require-ments. Actual performance is subject to the Omron’s Warranty and Limitationsof Liability.

4. Change in Specifications. Product specifications and accessories may bechanged at any time based on improvements and other reasons. It is our prac-tice to change part numbers when published ratings or features are changed,or when significant construction changes are made. However, some specifica-tions of the Product may be changed without any notice. When in doubt, spe-cial part numbers may be assigned to fix or establish key specifications foryour application. Please consult with your Omron’s representative at any timeto confirm actual specifications of purchased Product.

5. Errors and Omissions. Information presented by Omron Companies has beenchecked and is believed to be accurate; however, no responsibility is assumedfor clerical, typographical or proofreading errors or omissions.

OMRON ON-LINEGlobal –www.omron.com

USA – www.omron247.com

Canada –www.omron.ca

Brazil –www.omron.com.br

Cat. No. E382-E1-01 Printed in USA

MEXICO SALES OFFICESMexico, D.F. (52) 555 660 31 44Ciudad Juárez (52) 656 623 70 83Monterrey, N.L. (52) 818 377 42 81Mexicali, B.C. (52) 686 838 01 15

BRAZIL SALES OFFICESSao Paulo (55) 11 2101 6300

ARGENTINA SALES OFFICESCono Sur (54) 11 4787 1129

CHILE SALES OFFICESSantiago (56) 2206 4592

OTHER LATIN AMERICAN SALESmela@omron.com

OMRON ELECTRONICS LLC1 Commerce DriveSchaumburg, IL 60173Tel: 847.843.7900

For U.S. technical support or other inquiries: 800.556.6766

OMRON CANADA, INC.885 Milner AvenueToronto, Ontario M1B 5V8Tel: 416.286.6465

09/07 Specifications subject to change without notice

Complete “Terms and Conditions of Sale” for product purchase and use are on Omron’s websiteat www.omron.com/oei – under the “About Us” tab, in the Legal Matters section.

ALL DIMENSIONS SHOWN ARE IN MILLIMETERS.To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527.